#include<stdio.h>

int main() {
    struct Student {
        long int num;
        char name[20];
        char sex;
        char addr[20];

    } a = {10101, "Li Lin", 'M', "123 beijing road"};

    printf("NO:%ld\nname:%s\nsex=%c\naddress:%s\n", a.num, a.name, a.sex, a.addr);
    
    return 0;
}
